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miss Akunina [59]
2 years ago
6

How many valence electrons would an element with atomic number 113 have?

Chemistry
1 answer:
marshall27 [118]2 years ago
4 0

How does the law of conservation of mass apply  to this reaction: C2H4 + O2 → H2O + CO2?

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Thermal energy is the energy of movement.

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3 years ago
Determine the empirical formula. a 3.880g sample contains 0.691g of magnesium , 1.84 g of sulfur , and 1.365 g of oxygen .
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Answer:

Mg S2 O3

Explanation:

.691 g of Mg  is .284 mole

1.84 g of S    is .5739 mole

1.365 g of O is  .8531 mole      you can see the ratio is ~  1 :2 :3

                                                        Mg S2 O3

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2 years ago
What is an example of a qualitative observation?
Lunna [17]

Answer:

20 cats.

Explanation:

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3 years ago
Do sound waves travel best in dense or less dense areas?
velikii [3]
Thus, sound will travel at a slower rate in the denser object. If sound waves of the same energy were passed through a block of wood and a block of steel, which is more dense than the wood, the molecules of the steel would vibrate at a slower rate. Thus, sound passes more quickly through the wood, which is less dense.
3 0
2 years ago
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The site of protein synthesis or production'
aleksandrvk [35]

Answer:

The Art of Protein Synthesis

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Explanation:

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